Abstract: Objective To explore the trait and influencing factors of social support in Zhuang peasants.Methods By multistage stratified cluster sampling,Social Support Rating Scale(SSRS)was applied to 921 Zhuang peasants.Results The total score of SSRS of Zhuang peasants was 39.26±7.86.There were significant differences in social support between Zhuang peasants of different sex,age,education diploma,ma rriage and chronic disease(P<0.05).The multiple factor non conditional Logistic regression analysis showed that there were five factors includng sex,age,education diploma,marriage and chronic disease relavant to social support of Z huang peasants.Conclusion Sex,age,education diplom a,marriage and chronic disease are influencing factors of social support in Zhuang peasants.